ITEM NAME:Mini DC-DC Step-down Converter Adjustable Power Module 3.3V 3V 5V 9V 12V 3A.3A run for about 20 seconds into the chip to protect against overheating, can be cooled by the chip cooling work in 3A current. Output ripple: 20mV (12V to 5V 3A). Output Current: 3A (Max). Connected to the car battery without the need for switching, can be connected to the cigarette lighter line, or ACC power line.
